1a. A framed section of a window or door that is usually filled with a sheet of glass or other transparent material. b. The transparent material used to fill such a section. 2. A panel, as of a door or wall. 3. One of the flat surfaces or facets of an object, such as a bolt, having many sides.
ETYMOLOGY:
Middle English, section, pane of glass, from Old French pan, piece of cloth, panel, from Latin pannus, cloth. See pan- in Appendix I.
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